#! /bin/sh
# Test very long --greeting argument, and also show skipping a test.
# (And one way to compute full moons.)
#
# Copyright (C) 2001-2019 Free Software Foundation, Inc.
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.

trap 'rm -fr $tmpfiles' 1 2 3 15

tmpfiles="greeting-test2.ok"
cat <<EOF > greeting-test2.ok
Wuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuhhh!
EOF

# Werewolves cry at full moon only.
set x `TZ=GMT date +"%Y %j %H %M %S"`; shift
year=$1; day=$2; hours=$3; minutes=$4; seconds=$5
years_since_2000=`expr $year - 2000`
days_since_2000=`expr '(' $years_since_2000 '*' 365 ')' + '(' '(' $years_since_2000 - 1 ')' / 4 ')' + $day`
seconds_since_2000=`expr '(' '(' '(' '(' '(' $days_since_2000 '*' 24 ')' + $hours ')' '*' 60 ')' + $minutes ')' '*' 60 ')' + $seconds`
# A moon period is ca. 2551442.8 seconds.
remainder=`expr $seconds_since_2000 % 2551443`
# Full moon is around remainder = 1760000, oscillating between ca. 1720000
# and ca. 1805000. Allow a tolerance of +/- 24 h.
if test `expr $remainder '>' 1650000` = 0 || test `expr $remainder '<' 1890000` = 0; then
  { echo "$0: Skipping test: not a full moon night"; rm -fr $tmpfiles; exit 77; }
fi

# The exit 77 is the magic value which tells Automake's `make check'
# that this test was skipped.  It's also good to give a
# human-understandable reason why the test was skipped, so the person
# running the test can know.

tmpfiles="$tmpfiles greeting-test2.out"
: ${HELLO=hello}
${HELLO} -g 'Wuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuhhh!' \
| tr -d '\r' >greeting-test2.out

: ${DIFF=diff}
${DIFF} greeting-test2.ok greeting-test2.out
result=$?

rm -fr $tmpfiles

exit $result
